Question 1

What is the correct name for the compound N2O?

Accepted Answer

Dinitrogen monoxide

Question 2

Which of the following is the correct formula for dichlorine heptoxide?

Accepted Answer

Cl2O7

Question 3

What is the correct name for SF4?

Accepted Answer

Sulfur tetrafluoride

Question 4

Which of the following is the correct formula for dihydrogen monoxide?

Accepted Answer

H2O

Question 5

What is the correct name for HClO4?

Accepted Answer

Perchloric acid

Question 6

Which of the following is a strong acid?

Accepted Answer

HNO3

Question 7

What is the oxidation state of oxygen in H2O2?

Accepted Answer

$$-1$$

Question 8

Assign the oxidation state to sodium in NaH.

Accepted Answer

$$+1$$

Question 9

Which of the following best describes the relationship between wavelength ($$\lambda$$), frequency ($$
u$$), and the speed of light ($$c$$)?

Accepted Answer

$$c = \lambda 
u$$

Question 10

Which region of the electromagnetic spectrum has the shortest wavelength?

Accepted Answer

Gamma rays

Question 11

A solution of HCl is added to water. Which statement best describes what happens?

Accepted Answer

HCl produces $$\mathrm{H^+}$$ ions in water, making it an acid.

Question 12

Which of the following is a property unique to waves and not to particles?

Accepted Answer

Diffraction

Question 13

Which of the following is the correct name for HClO2?

Accepted Answer

Chlorous acid

Question 14

What is the oxidation state of manganese in $$\mathrm{$$MnO_4$$^-}$$?

Accepted Answer

$$+7$$

Question 15

Which of the following compounds is a strong base?

Accepted Answer

NaOH

Question 16

A beam of light passes from air into water and bends. What is this phenomenon called?

Accepted Answer

Refraction

Question 17

Which of the following best describes the visible region of the electromagnetic spectrum?

Accepted Answer

It ranges from about 400 nm to 750 nm in wavelength.

Question 18

Which of the following is the correct name for HCN(aq)?

Accepted Answer

Hydrocyanic acid

Question 19

If the frequency ($$
u) of $$electromagnetic radiation increases, what happens to its wavelength ($$\lambda$$), assuming the speed of light ($$c) is $$constant?

Accepted Answer

Wavelength decreases

Question 20

Which of the following is the correct formula for periodic acid?

Accepted Answer

HIO4

Lec 2 notes chem

Guida di studio - Domande di pratica

Study guide - Flashcard